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757bf1df | 1 | /* Integration of the analyzer with GCC's pass manager. |
99dee823 | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
757bf1df DM |
3 | Contributed by David Malcolm <dmalcolm@redhat.com>. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include "config.h" | |
22 | #include "system.h" | |
23 | #include "coretypes.h" | |
24 | #include "context.h" | |
25 | #include "tree-pass.h" | |
26 | #include "diagnostic.h" | |
27 | #include "options.h" | |
c1c6750f DM |
28 | #include "tree.h" |
29 | #include "function.h" | |
30 | #include "analyzer/analyzer.h" | |
757bf1df DM |
31 | #include "analyzer/engine.h" |
32 | ||
33 | namespace { | |
34 | ||
35 | /* Data for the analyzer pass. */ | |
36 | ||
37 | const pass_data pass_data_analyzer = | |
38 | { | |
39 | IPA_PASS, /* type */ | |
40 | "analyzer", /* name */ | |
41 | OPTGROUP_NONE, /* optinfo_flags */ | |
42 | TV_ANALYZER, /* tv_id */ | |
43 | PROP_ssa, /* properties_required */ | |
44 | 0, /* properties_provided */ | |
45 | 0, /* properties_destroyed */ | |
46 | 0, /* todo_flags_start */ | |
47 | 0, /* todo_flags_finish */ | |
48 | }; | |
49 | ||
50 | /* The analyzer pass. */ | |
51 | ||
52 | class pass_analyzer : public ipa_opt_pass_d | |
53 | { | |
54 | public: | |
55 | pass_analyzer(gcc::context *ctxt) | |
56 | : ipa_opt_pass_d (pass_data_analyzer, ctxt, | |
57 | NULL, /* generate_summary */ | |
58 | NULL, /* write_summary */ | |
59 | NULL, /* read_summary */ | |
60 | NULL, /* write_optimization_summary */ | |
61 | NULL, /* read_optimization_summary */ | |
62 | NULL, /* stmt_fixup */ | |
63 | 0, /* function_transform_todo_flags_start */ | |
64 | NULL, /* function_transform */ | |
65 | NULL) /* variable_transform */ | |
66 | {} | |
67 | ||
68 | /* opt_pass methods: */ | |
69 | bool gate (function *) FINAL OVERRIDE; | |
70 | unsigned int execute (function *) FINAL OVERRIDE; | |
71 | }; // class pass_analyzer | |
72 | ||
73 | /* Only run the analyzer if -fanalyzer. */ | |
74 | ||
75 | bool | |
76 | pass_analyzer::gate (function *) | |
77 | { | |
78 | return flag_analyzer != 0; | |
79 | } | |
80 | ||
81 | /* Entrypoint for the analyzer pass. */ | |
82 | ||
83 | unsigned int | |
84 | pass_analyzer::execute (function *) | |
85 | { | |
86 | #if ENABLE_ANALYZER | |
75038aa6 | 87 | ana::run_checkers (); |
757bf1df | 88 | #else |
66dde7bc | 89 | sorry_no_analyzer (); |
757bf1df DM |
90 | #endif |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | } // anon namespace | |
96 | ||
97 | /* Make an instance of the analyzer pass. */ | |
98 | ||
99 | ipa_opt_pass_d * | |
100 | make_pass_analyzer (gcc::context *ctxt) | |
101 | { | |
102 | return new pass_analyzer (ctxt); | |
103 | } | |
66dde7bc DM |
104 | |
105 | #if !ENABLE_ANALYZER | |
106 | ||
107 | /* Issue a "sorry" diagnostic that the analyzer was not enabled. */ | |
108 | ||
109 | void | |
110 | sorry_no_analyzer () | |
111 | { | |
112 | sorry ("%qs was not enabled in this build of GCC" | |
113 | " (missing configure-time option %qs)", | |
114 | "-fanalyzer", "--enable-analyzer"); | |
115 | } | |
116 | ||
117 | #endif /* #if !ENABLE_ANALYZER */ |